Calibration: How to use the calibration code

Hi !
When I use tracked images (from ARFoundation), they are aligned without the Headset, but not with it. My headset the current aryzon one with a Samsung S8, I did the calibration with your app but it seems it’s not helping to align correctly…
What’s wrong ? May I use the calibration code ? but where, in which class, gameobject ?

(Everything is working fine with SDK, with ARFoundation on Unity 2019.4, only it’s not aligned…)

Thanks for your help.

JChris